test: add makefiles test command (converted from script)
This commit is contained in:
Nick Craig-Wood
parent
f88a5542cf
commit
f890965020
3 changed files with 145 additions and 146 deletions
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// +build ignore
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// Build a directory structure with the required number of files in
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//
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// Run with go run make_test_files.go [flag] <directory>
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package main
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import (
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cryptrand "crypto/rand"
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"flag"
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"io"
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"log"
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"math/rand"
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"os"
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"path/filepath"
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)
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var (
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// Flags
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numberOfFiles = flag.Int("n", 1000, "Number of files to create")
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averageFilesPerDirectory = flag.Int("files-per-directory", 10, "Average number of files per directory")
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maxDepth = flag.Int("max-depth", 10, "Maximum depth of directory hierarchy")
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minFileSize = flag.Int64("min-size", 0, "Minimum size of file to create")
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maxFileSize = flag.Int64("max-size", 100, "Maximum size of files to create")
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minFileNameLength = flag.Int("min-name-length", 4, "Minimum size of file to create")
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maxFileNameLength = flag.Int("max-name-length", 12, "Maximum size of files to create")
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directoriesToCreate int
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totalDirectories int
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fileNames = map[string]struct{}{} // keep a note of which file name we've used already
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)
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// randomString create a random string for test purposes
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func randomString(n int) string {
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const (
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vowel = "aeiou"
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consonant = "bcdfghjklmnpqrstvwxyz"
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digit = "0123456789"
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)
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pattern := []string{consonant, vowel, consonant, vowel, consonant, vowel, consonant, digit}
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out := make([]byte, n)
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p := 0
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for i := range out {
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source := pattern[p]
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p = (p + 1) % len(pattern)
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out[i] = source[rand.Intn(len(source))]
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}
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return string(out)
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}
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// fileName creates a unique random file or directory name
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func fileName() (name string) {
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for {
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length := rand.Intn(*maxFileNameLength-*minFileNameLength) + *minFileNameLength
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name = randomString(length)
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if _, found := fileNames[name]; !found {
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break
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}
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}
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fileNames[name] = struct{}{}
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return name
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}
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// dir is a directory in the directory hierarchy being built up
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type dir struct {
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name string
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depth int
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children []*dir
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parent *dir
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}
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// Create a random directory hierarchy under d
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func (d *dir) createDirectories() {
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for totalDirectories < directoriesToCreate {
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newDir := &dir{
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name: fileName(),
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depth: d.depth + 1,
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parent: d,
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}
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d.children = append(d.children, newDir)
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totalDirectories++
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switch rand.Intn(4) {
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case 0:
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if d.depth < *maxDepth {
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newDir.createDirectories()
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}
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case 1:
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return
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}
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}
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return
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}
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// list the directory hierarchy
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func (d *dir) list(path string, output []string) []string {
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dirPath := filepath.Join(path, d.name)
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output = append(output, dirPath)
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for _, subDir := range d.children {
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output = subDir.list(dirPath, output)
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}
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return output
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}
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// writeFile writes a random file at dir/name
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func writeFile(dir, name string) {
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err := os.MkdirAll(dir, 0777)
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if err != nil {
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log.Fatalf("Failed to make directory %q: %v", dir, err)
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}
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path := filepath.Join(dir, name)
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fd, err := os.Create(path)
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if err != nil {
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log.Fatalf("Failed to open file %q: %v", path, err)
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}
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size := rand.Int63n(*maxFileSize-*minFileSize) + *minFileSize
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_, err = io.CopyN(fd, cryptrand.Reader, size)
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if err != nil {
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log.Fatalf("Failed to write %v bytes to file %q: %v", size, path, err)
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}
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err = fd.Close()
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if err != nil {
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log.Fatalf("Failed to close file %q: %v", path, err)
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}
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}
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func main() {
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flag.Parse()
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args := flag.Args()
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if len(args) != 1 {
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log.Fatalf("Require 1 directory argument")
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}
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outputDirectory := args[0]
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log.Printf("Output dir %q", outputDirectory)
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directoriesToCreate = *numberOfFiles / *averageFilesPerDirectory
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log.Printf("directoriesToCreate %v", directoriesToCreate)
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root := &dir{name: outputDirectory, depth: 1}
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for totalDirectories < directoriesToCreate {
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root.createDirectories()
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}
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dirs := root.list("", []string{})
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for i := 0; i < *numberOfFiles; i++ {
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dir := dirs[rand.Intn(len(dirs))]
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writeFile(dir, fileName())
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}
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}
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@ -54,6 +54,7 @@ import (
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_ "github.com/rclone/rclone/cmd/sync"
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_ "github.com/rclone/rclone/cmd/sync"
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_ "github.com/rclone/rclone/cmd/test"
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_ "github.com/rclone/rclone/cmd/test"
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_ "github.com/rclone/rclone/cmd/test/info"
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_ "github.com/rclone/rclone/cmd/test/info"
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_ "github.com/rclone/rclone/cmd/test/makefiles"
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_ "github.com/rclone/rclone/cmd/test/memory"
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_ "github.com/rclone/rclone/cmd/test/memory"
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_ "github.com/rclone/rclone/cmd/touch"
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_ "github.com/rclone/rclone/cmd/touch"
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_ "github.com/rclone/rclone/cmd/tree"
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_ "github.com/rclone/rclone/cmd/tree"
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144
cmd/test/makefiles/makefiles.go
Normal file
144
cmd/test/makefiles/makefiles.go
Normal file
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@ -0,0 +1,144 @@
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// Package makefiles builds a directory structure with the required
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// number of files in of the required size.
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package makefiles
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import (
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cryptrand "crypto/rand"
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"io"
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"log"
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"math/rand"
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"os"
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"path/filepath"
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"github.com/rclone/rclone/cmd"
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"github.com/rclone/rclone/cmd/test"
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"github.com/rclone/rclone/fs"
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"github.com/rclone/rclone/fs/config/flags"
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"github.com/rclone/rclone/lib/random"
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"github.com/spf13/cobra"
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)
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var (
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// Flags
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numberOfFiles = 1000
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averageFilesPerDirectory = 10
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maxDepth = 10
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minFileSize = fs.SizeSuffix(0)
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maxFileSize = fs.SizeSuffix(100)
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minFileNameLength = 4
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maxFileNameLength = 12
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// Globals
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directoriesToCreate int
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totalDirectories int
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fileNames = map[string]struct{}{} // keep a note of which file name we've used already
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)
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func init() {
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test.Command.AddCommand(commandDefinition)
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cmdFlags := commandDefinition.Flags()
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flags.IntVarP(cmdFlags, &numberOfFiles, "files", "", numberOfFiles, "Number of files to create")
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flags.IntVarP(cmdFlags, &averageFilesPerDirectory, "files-per-directory", "", averageFilesPerDirectory, "Average number of files per directory")
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flags.IntVarP(cmdFlags, &maxDepth, "max-depth", "", maxDepth, "Maximum depth of directory hierarchy")
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flags.FVarP(cmdFlags, &minFileSize, "min-file-size", "", "Minimum size of file to create")
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flags.FVarP(cmdFlags, &maxFileSize, "max-file-size", "", "Maximum size of files to create")
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flags.IntVarP(cmdFlags, &minFileNameLength, "min-name-length", "", minFileNameLength, "Minimum size of file names")
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flags.IntVarP(cmdFlags, &maxFileNameLength, "max-name-length", "", maxFileNameLength, "Maximum size of file names")
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}
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var commandDefinition = &cobra.Command{
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Use: "makefiles <dir>",
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Short: `Make a random file hierarchy in <dir>`,
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Run: func(command *cobra.Command, args []string) {
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cmd.CheckArgs(1, 1, command, args)
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outputDirectory := args[0]
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directoriesToCreate = numberOfFiles / averageFilesPerDirectory
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averageSize := (minFileSize + maxFileSize) / 2
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log.Printf("Creating %d files of average size %v in %d directories in %q.", numberOfFiles, averageSize, directoriesToCreate, outputDirectory)
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root := &dir{name: outputDirectory, depth: 1}
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for totalDirectories < directoriesToCreate {
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root.createDirectories()
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}
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dirs := root.list("", []string{})
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for i := 0; i < numberOfFiles; i++ {
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dir := dirs[rand.Intn(len(dirs))]
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writeFile(dir, fileName())
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}
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log.Printf("Done.")
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},
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}
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// fileName creates a unique random file or directory name
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func fileName() (name string) {
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for {
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length := rand.Intn(maxFileNameLength-minFileNameLength) + minFileNameLength
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name = random.String(length)
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if _, found := fileNames[name]; !found {
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break
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}
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}
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fileNames[name] = struct{}{}
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return name
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}
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// dir is a directory in the directory hierarchy being built up
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type dir struct {
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name string
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depth int
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children []*dir
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parent *dir
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}
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// Create a random directory hierarchy under d
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func (d *dir) createDirectories() {
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for totalDirectories < directoriesToCreate {
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newDir := &dir{
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name: fileName(),
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depth: d.depth + 1,
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parent: d,
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}
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d.children = append(d.children, newDir)
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totalDirectories++
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switch rand.Intn(4) {
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case 0:
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if d.depth < maxDepth {
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newDir.createDirectories()
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}
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case 1:
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return
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}
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}
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return
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}
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// list the directory hierarchy
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func (d *dir) list(path string, output []string) []string {
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dirPath := filepath.Join(path, d.name)
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output = append(output, dirPath)
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for _, subDir := range d.children {
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output = subDir.list(dirPath, output)
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}
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return output
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}
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// writeFile writes a random file at dir/name
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func writeFile(dir, name string) {
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err := os.MkdirAll(dir, 0777)
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if err != nil {
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log.Fatalf("Failed to make directory %q: %v", dir, err)
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}
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path := filepath.Join(dir, name)
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fd, err := os.Create(path)
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if err != nil {
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log.Fatalf("Failed to open file %q: %v", path, err)
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}
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size := rand.Int63n(int64(maxFileSize-minFileSize)) + int64(minFileSize)
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_, err = io.CopyN(fd, cryptrand.Reader, size)
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if err != nil {
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log.Fatalf("Failed to write %v bytes to file %q: %v", size, path, err)
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}
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err = fd.Close()
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if err != nil {
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log.Fatalf("Failed to close file %q: %v", path, err)
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}
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}
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